TOP 100 SCIENCE SITES
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| Study links marijuana smoking to gum disease WASHINGTON (Reuters) - Smoking marijuana, much like smoking tobacco, may increase a person's risk for gum disease that can lead to tooth loss, researchers said on Tuesday. feeds.reuters.com |
China produces high power engine for passenger cars At 8:30am, February 22, China's first self-made V12 cylinder engine, the CA12GV, successfully ignited at the Technology Center of China Faw Group Corporation, according to China Radio International Online (CRI Online). This indicates China' ... english.people.com.cn |
Many doctors, many tests, no rhyme or reason In the U.S. health care system, if you have a slew of physicians and a willing patient, almost any sort of excess can occur. iht.com |
Fossils Link Pre-Humans in West Europe to Earlier Date Excavations in a cave in the mountains of northern Spain have uncovered the oldest known remains of human ancestors in Western Europe, scientists said. nytimes.com |
Essay: Gauging a Collider’s Odds of Creating a Black Hole Whom can we trust to do hard-headed calculations to prove that a scientific experiment will not lead to the end of the world? nytimes.com |